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ethyl 3-oxocyclobutanecarboxylate

Also known as: ethyl 3-oxocyclobutane-1-carboxylate, 3-oxocyclobutanecarboxylic acid ethyl ester, Ethyl 3-Oxo Cyclobuatne Carboxylate

ethyl 3-oxocyclobutanecarboxylate (CAS 87121-89-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H10O3 and a molecular weight of 142.15400 g/mol. Key properties include a boiling point of 150.0±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 51.0±15.0 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
87121-89-9
Jingsj CID
J-1566425-2
Molecular Formula
C7H10O3
Molecular Weight
142.15400 g/mol
Category
Organic Acids
Last updated
11/2/2026

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Physicochemical Properties

Boiling Point150.0±15.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point51.0±15.0 °C
Exact Mass130.062988
PSA35.53000
LogP0.09
Vapor Pressure3.9±0.3 mmHg at 25°C
Refractive Index1.447
Storage Conditions2-8°C

Customs & Trade Information

HS Code2918300090
Summary2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of ethyl 3-oxocyclobutanecarboxylate?

The CAS number of ethyl 3-oxocyclobutanecarboxylate is 87121-89-9.

What are the molecular formula and molecular weight of ethyl 3-oxocyclobutanecarboxylate?

ethyl 3-oxocyclobutanecarboxylate has molecular formula C7H10O3 and molecular weight 142.15400 g/mol.

What are the upstream and downstream products of ethyl 3-oxocyclobutanecarboxylate?

For ethyl 3-oxocyclobutanecarboxylate, Upstream Products: Ethyl 3-hydroxycyclobutanecarboxylate, 3-Oxocyclobutanecarboxylic acid, Triethyl orthoacetate; Downstream Products: Ethyl 3-hydroxycyclobutanecarboxylate, ethyl 3,3-difluorocyclobutane-1-carboxylate.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "ethyl 3-oxocyclobutanecarboxylate (CAS 87121-89-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1566425-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.